Honestly I don’t even know what this is sorry I tried
The answer to this equation would be 3.
First use distributive property:
2(3n + 4) - 2(2n + 5)
6n + 8 - 4n - 10
Group like terms:
6n - 4n + 8 - 10
Add like terms:
2n - 2
Lennon used the property o addition